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Windows 7: My network adapter driver is always disappearing T^T

I don't know what's wrong with my computer or adapter driver. But when i watch videos on youtube or play any video games, my internet always disconnects, at that time i checked my device manager and, i couldn't find my network driver. But when i restart my computer it appears again. This is keep happening again and again. So PLEASE HELP ME T^T

Problem with network adapter driver.Hello everyone, okay?
I'm new here on the forum, so I'll introduce you.
I'm 14, I live in Belo Horizonte, play dota for some time, and also quite like computing the influence of my brother who is technical.
Anyway, my problem is the following:
I formatted the computer a client of mine...

Drivers

Problems with wireless network adapter and network connection driverHi,
So recently I have removed a nasty zeroaccess rootkit virus(es) from my laptop. My Windows Firewall, Defender and Updates would not work (still won't), my browser kept redirecting to unrelated websites, and I was just overall having a TON of irritating issues. I installed MalwareBytes and...

Network & Sharing

No Driver for Network Adapter?I was running my computer on Windows XP and it more or less crashed on me so I decided it was time to upgrade to Windows 7.
I did a custom load and everything and it is loading fine for the most part but I cant seem to get an internet connection. I'm using a LAN and the same ether net cord plugged...

Network & Sharing

Network Controller Driver–not Adapter DriverA few days ago I did a clean install of Windows 7. Now I have a problem. The computer is a wireless 'client'. It has a Realtek RTL8168D/8111D PCI-E Gigabit Ethernet NIC (NDIS 6.20).
When I bring up Device Manager and expand 'Network adapters' I see "Realtek PCIe GBE Family Controller".
When I...